package com.xqboss.common.core.domain;

import java.io.Serializable;
import java.util.List;

import com.github.pagehelper.PageInfo;
import com.xqboss.common.constant.HttpStatus;

/**
 * 响应信息主体
 *
 * @author ruoyi
 */
public class R<T> implements Serializable
{
    private static final long serialVersionUID = 1L;

    /** 成功 */
    public static final int SUCCESS = HttpStatus.SUCCESS;

    /** 失败 */
    public static final int FAIL = HttpStatus.ERROR;

    private int code;

    private String msg;

    private T data;

    /**
     * 列表使用
     */
    private Long total;

    public static <T> R<T> ok()
    {
        return restResult(null, SUCCESS, "操作成功");
    }

    public static <T> R<T> ok(T data)
    {
        return restResult(data, SUCCESS, "操作成功");
    }

    public static <T> R<T> ok_msg(String msg)
    {
        return restResult(null, SUCCESS, msg);
    }

    public static <T> R<T> ok(T data, String msg)
    {
        return restResult(data, SUCCESS, msg);
    }
    public static <T> R<T> ok(T data,int code, String msg)
    {
        return restResult(data, code, msg);
    }

    public static <T> R<T> fail()
    {
        return restResult(null, FAIL, "操作失败");
    }

    public static <T> R<T> fail(String msg)
    {
        return restResult(null, FAIL, msg);
    }

    public static <T> R<T> fail(T data)
    {
        return restResult(data, FAIL, "操作失败");
    }

    public static <T> R<T> fail(T data, String msg)
    {
        return restResult(data, FAIL, msg);
    }

    public static <T> R<T> fail(int code, String msg)
    {
        return restResult(null, code, msg);
    }

    private static <T> R<T> restResult(T data, int code, String msg)
    {
        R<T> apiResult = new R<>();
        apiResult.setCode(code);
        apiResult.setData(data);
        apiResult.setMsg(msg);
        return apiResult;
    }

    /**
     * 返回分页数据
     * @param page mapper返回的page信息
     * @return
     * @param <T>
     */
    public static <T> R<List<T>> ok(List<T> page) {
        return ok(page,"操作成功");
    }

    /**
     * 返回分页数据
     * @param page mapper返回的page信息
     * @return
     * @param <T>
     */
    public static <T> R<List<T>> ok(List<T> page,String msg) {
        R<List<T>> result = restResult(page, SUCCESS, msg);
        result.setTotal(new PageInfo(page).getTotal());
        return result;
    }

    /**
     * 返回分页数据
     * @param voList 转换之后的vo列表
     * @param origin mapper查询的源分页数据
     * @return
     * @param <T>
     */
    public static <T> R<List<T>> ok(List<T> voList, List<?> origin) {
        R<List<T>> result = restResult(voList, SUCCESS, "操作成功");
        result.setTotal(new PageInfo(origin).getTotal());
        return result;
    }

    /**
     * 返回分页数据
     * @param voList 转换之后的vo列表
     * @param total
     * @return
     * @param <T>
     */
    public static <T> R<List<T>> ok(List<T> voList, Long total) {
        R<List<T>> result = restResult(voList, SUCCESS, "操作成功");
        result.setTotal(total);
        return result;
    }

    /**
     * 返回分页数据
     * @param page
     * @return
     * @param <T>
     */
    public static <T> R<List<T>> ok(PageList<T> page) {
        R<List<T>> result = restResult(page.getList(), SUCCESS, "操作成功");
        result.setTotal(page.getTotal());
        return result;
    }

    public int getCode()
    {
        return code;
    }

    public void setCode(int code)
    {
        this.code = code;
    }

    public String getMsg()
    {
        return msg;
    }

    public void setMsg(String msg)
    {
        this.msg = msg;
    }

    public T getData()
    {
        return data;
    }

    public void setData(T data)
    {
        this.data = data;
    }

    public static <T> Boolean isError(R<T> ret)
    {
        return !isSuccess(ret);
    }

    public static <T> Boolean isSuccess(R<T> ret)
    {
        return R.SUCCESS == ret.getCode();
    }

    public Long getTotal() {
        return total;
    }

    public void setTotal(Long total) {
        this.total = total;
    }
}
